/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

/** \file
 * \ingroup GHOST
 */

#pragma once

#include "GHOST_Types.h"

class GHOST_XrSession;

class GHOST_IXrContext {
 public:
  virtual ~GHOST_IXrContext() = default;

  virtual void startSession(const GHOST_XrSessionBeginInfo *begin_info) = 0;
  virtual void endSession() = 0;
  virtual bool isSessionRunning() const = 0;
  virtual void drawSessionViews(void *draw_customdata) = 0;

  /* Needed for the GHOST C api. */
  virtual GHOST_XrSession *getSession() = 0;
  virtual const GHOST_XrSession *getSession() const = 0;

  virtual void dispatchErrorMessage(const class GHOST_XrException *) const = 0;

  virtual void setGraphicsContextBindFuncs(GHOST_XrGraphicsContextBindFn bind_fn,
                                           GHOST_XrGraphicsContextUnbindFn unbind_fn) = 0;
  virtual void setDrawViewFunc(GHOST_XrDrawViewFn draw_view_fn) = 0;

  virtual bool needsUpsideDownDrawing() const = 0;
};